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Commit 9b40ff4d authored by Ben Dooks's avatar Ben Dooks Committed by Linus Torvalds
Browse files

[PATCH] spi: add spi_set_drvdata() and spi_get_drvdata() 



Add wrappers for getting and setting the driver data using spi_device
instead of using dev_{get|set}_drvdata with &spi->dev, to mirror the
platform_{get|set}_drvdata.

Signed-off-by: default avatarBen Dooks <ben-linux@fluff.org>
Signed-off-by: default avatarDavid Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 69c202af

Documentation/spi/spi-summary

+1 −1
Original line number Diff line number Diff line
@@ -312,7 +312,7 @@ might look like this unless you're creating a class_device: 
		chip = kzalloc(sizeof *chip, GFP_KERNEL);

		if (!chip)

			return -ENOMEM;

		dev_set_drvdata(&spi->dev, chip);

		spi_set_drvdata(spi, chip);



		... etc

		return 0;

include/linux/spi/spi.h

+11 −0
Original line number Diff line number Diff line
@@ -114,6 +114,17 @@ static inline void spi_set_ctldata(struct spi_device *spi, void *state) 
	spi->controller_state = state;

}



/* device driver data */



static inline void spi_set_drvdata(struct spi_device *spi, void *data)

{

	dev_set_drvdata(&spi->dev, data);

}



static inline void *spi_get_drvdata(struct spi_device *spi)

{

	return dev_get_drvdata(&spi->dev);

}



struct spi_message;